{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["else", "entity origin", "message topic"], "input": "the recipient receives the call through a miniature radio receiver carried on his person , the receiver having a built-in ferritic antenna ."}
{"else": [], "entity origin": [], "message topic": []}